Each Casascius Bitcoin is a collectible coin backed by real Bitcoins embedded inside.
Each piece has its own Bitcoin address and a redeemable "private key" on the inside, underneath the hologram.
site link: https://www.casascius.com/
Each Casascius Bitcoin is a collectible coin backed by real Bitcoins embedded inside.
Each piece has its own Bitcoin address and a redeemable "private key" on the inside, underneath the hologram.
site link: https://www.casascius.com/